Restricted Growth function

Please find attached the class (see below for more info).
See also thread in dbase.programming.
Roland
   /*
     ------------------------------------------------------------------
   Name:........:RGrowth.cc
     Programmer..: Roland Wingerter
     Date........: March 2007
     Notes.......: Restricted Growth Function.
           Auxiliary function for generating set partitions.
     Written for.: dBase Plus
     Rev. History: None
     Calls.......: None
     Usage.......: set proc to RGrowth.cc additive
                   oRef = new RGrowth(nSize)
     Example.....: oRG = new RGrowth(4)
           oRG.CreateAll()
                   ? oRG.aRows.size    // 15
                   ? oRG.aRows[1].size   // 4
                   // First row values are all the same, always 1
                   ? oRG.aRows[1][1]   // 1
                   ? oRG.aRows[1][2]   // 1
                   ? oRG.aRows[1][3]   // 1
                   ? oRG.aRows[1][4]   // 1
                   // Last row values are all different, from 1..nSize
                   ? oRG.aRows[15][1]   // 1
                   ? oRG.aRows[15][2]   // 2
                   ? oRG.aRows[15][3]   // 3
                   ? oRG.aRows[15][4]   // 4
     Returns.....: Object reference
     Parameter...: nSize - size of the RestrictedGrowth array
     ------------------------------------------------------------------
  */